DK113857B - Process for the preparation of 16,17-acetals or ketals of saturated 16α, 17α-dihydroxy-3,20-diketo-5α-pregnane derivatives. - Google Patents

Process for the preparation of 16,17-acetals or ketals of saturated 16α, 17α-dihydroxy-3,20-diketo-5α-pregnane derivatives.

Info

Publication number
DK113857B
DK113857B DK315862AA DK315862A DK113857B DK 113857 B DK113857 B DK 113857B DK 315862A A DK315862A A DK 315862AA DK 315862 A DK315862 A DK 315862A DK 113857 B DK113857 B DK 113857B
Authority
DK
Denmark
Prior art keywords
diketo
ketals
acetals
dihydroxy
saturated
Prior art date
Application number
DK315862AA
Other languages
Danish (da)
Inventor
J Fried
Original Assignee
Squibb & Sons Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Squibb & Sons Inc filed Critical Squibb & Sons Inc
Publication of DK113857B publication Critical patent/DK113857B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
DK315862AA 1961-07-14 1962-07-13 Process for the preparation of 16,17-acetals or ketals of saturated 16α, 17α-dihydroxy-3,20-diketo-5α-pregnane derivatives. DK113857B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US124005A US3053836A (en) 1961-07-14 1961-07-14 Acetals and ketals of 16alpha, 17alpha-dihydroxyprogesterones

Publications (1)

Publication Number Publication Date
DK113857B true DK113857B (en) 1969-05-05

Family

ID=22412212

Family Applications (1)

Application Number Title Priority Date Filing Date
DK315862AA DK113857B (en) 1961-07-14 1962-07-13 Process for the preparation of 16,17-acetals or ketals of saturated 16α, 17α-dihydroxy-3,20-diketo-5α-pregnane derivatives.

Country Status (7)

Country Link
US (1) US3053836A (en)
BR (1) BR6240896D0 (en)
CH (1) CH414614A (en)
DK (1) DK113857B (en)
FR (1) FR2490M (en)
GB (1) GB1001710A (en)
SE (1) SE316171B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2005002A1 (en) * 1970-02-04 1971-08-12
ZA744259B (en) * 1973-08-17 1975-06-25 American Cyanamid Co Topical steroid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751399A (en) * 1952-01-08 1956-06-19 Upjohn Co Hydrogenation of steroids

Also Published As

Publication number Publication date
BR6240896D0 (en) 1973-05-24
FR2490M (en) 1964-04-27
US3053836A (en) 1962-09-11
SE316171B (en) 1969-10-20
GB1001710A (en) 1965-08-18
CH414614A (en) 1966-06-15

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